Therapy Decision Based on CHADS2 Scoring: CHADS2 score = 0: Low risk. Option of ASA or no treatment. Consider CHA2DS2VASc evaluation to select those at truly no risk of thromboembolism (score of 0). Otherwise consider ASA.
Therapy Decision Based on CHA2DS2VASc Scoring: CHADS2VASc score = 0: Truly low risk. These patients require no treatment.
Therapy Modification Based on HAS-BLED Scoring: HAS-BLED score = 0: No bleeding risk.